Desk lamp



FIG. 1 is a perspective view of a desk lamp embodying the design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a side elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a front elevational view thereof.

The lines around the ends of the support arm adjacent the reflector and the base and around its center indicate flexible sections in the arm. 

The ornamental design for a desk lamp, substantially as shown and described. 